Steps to be followed:

1. DOWNLOAD THE "dual speaker mod redminote8pro.zip" (size 11.33Kb)

2. REMOVE ALL OTHER SOUND MOD I REPEAT REMOVE ALL OTHER MOD

3. FLASH THE "dual speaker mod redminote8pro.zip" IN MODULE SECTION OF MAGISK AND REBOOT.

...THATS IT..----NOW YOUR EARPICE WILL WORK AS A SECONDARY SPEAKER BUT THE DIFFERENCE CAN BE ONLY HEARED ON 80% ABOVE VOLUME

...FOR TESTING WEATHER IT'S WORKING OR NOT TRY PLAYING A SONG AND MAXOUT THE VOLUME ABOVE 80% AND COVER THE BOTTOM LOUDSPEAKER WITH FINGER...NOW LISTEN THROUGH THE EARPICE..I'M SURE YOU WILL BE ABLE TO HEAR IT